A metallic item, cylindrical, with or without a flange at one end. It is designed to be inserted into a hole to reduce friction and/or the inside diameter of the hole, and protect the surrounding body structure from damage resulting from stress, strain and/or vibration. It must have a through hole parallel to its axis. It is designed for subsequent drilling operation. For items that are tapered see bushing (1), tapered. Excludes bushing, sleeve.
Classification: Drilling, threading or tapping tools and parts thereof, base metal
NSN 5920-01-217-0504
NSN 6620-01-432-7032
NSN 6320-01-600-0787
NSN 5910-01-604-9544
NSN 5920-00-980-4112
NSN 6145-01-618-0138
NSN 6645-01-653-7762
NSN 6610-01-163-7062
NSN 5920-00-846-5729
NSN 5835-00-126-2961
NSN 6150-01-165-6525
NSN 5998-01-206-4672